Rear spoiler for a vehicle



FIG. 1 is a left, front perspective view of a rear spoiler for a vehicle according to my novel design, the right, front perspective view being mirror symmetrical;

FIG. 2 is a rear view thereof;

FIG. 3 is a left, rear perspective view thereof, the right, rear perspective view being mirror symmetrical;

FIG. 4 is a left, rear perspective view thereof, the right, rear perspective view being mirror symmetrical; and,

FIG. 5 is a top view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a rear spoiler for a vehicle, as shown and described. 